162306a36Sopenharmony_ciSTMicroelectronics Low Power Controller (LPC) - Clocksource 262306a36Sopenharmony_ci=========================================================== 362306a36Sopenharmony_ci 462306a36Sopenharmony_ciLPC currently supports Watchdog OR Real Time Clock OR Clocksource 562306a36Sopenharmony_cifunctionality. 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci[See: ../watchdog/st_lpc_wdt.txt for Watchdog options] 862306a36Sopenharmony_ci[See: ../rtc/rtc-st-lpc.txt for RTC options] 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ciRequired properties 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci- compatible : Must be: "st,stih407-lpc" 1362306a36Sopenharmony_ci- reg : LPC registers base address + size 1462306a36Sopenharmony_ci- interrupts : LPC interrupt line number and associated flags 1562306a36Sopenharmony_ci- clocks : Clock used by LPC device (See: ../clock/clock-bindings.txt) 1662306a36Sopenharmony_ci- st,lpc-mode : The LPC can run either one of three modes: 1762306a36Sopenharmony_ci ST_LPC_MODE_RTC [0] 1862306a36Sopenharmony_ci ST_LPC_MODE_WDT [1] 1962306a36Sopenharmony_ci ST_LPC_MODE_CLKSRC [2] 2062306a36Sopenharmony_ci One (and only one) mode must be selected. 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ciExample: 2362306a36Sopenharmony_ci lpc@fde05000 { 2462306a36Sopenharmony_ci compatible = "st,stih407-lpc"; 2562306a36Sopenharmony_ci reg = <0xfde05000 0x1000>; 2662306a36Sopenharmony_ci clocks = <&clk_s_d3_flexgen CLK_LPC_0>; 2762306a36Sopenharmony_ci st,lpc-mode = <ST_LPC_MODE_CLKSRC>; 2862306a36Sopenharmony_ci }; 29